@article{JETPL.98.877, title = {}, author = {, and Kulik, L. V. and Zhuravlev, A. S. and , and Kukushkin, I. V.}, journal = {JETP Lett.}, volume = {98}, issue = {12}, pages = {778}, year = {2013}, doi = {}, url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X1324003X}, note = {[Pisma v ZhETF 98, 877 (2013)]} }